研究得出结论：屏幕前的休闲时间对心血管疾病和各种原因的死亡的有害影响不受其他因素的干扰。也许是因为这引起了代谢作用的变化。

Recreational screen time has an "independent, deleterious relationship" with cardiovascular events and death of all causes, the paper concluded, possibly because it induces metabolic changes.

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实验结果表明触发信号源无框架装置有效作用区大，抗干扰能力强，不受环境照明条件的影响，具有非接触、可全天候工作、性能稳定可靠、使用灵活方便等特点。

The experiment result indicates that the frameless equipment has the advantages of large effective screen area, strong anti-disturbance, noncontact, full-time working, reliable and flexible in using.

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